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authorYang Zhang <yang.z.zhang@intel.com>2015-08-28 09:58:54 +0800
committerYang Zhang <yang.z.zhang@intel.com>2015-09-01 12:44:00 +0800
commite44e3482bdb4d0ebde2d8b41830ac2cdb07948fb (patch)
tree66b09f592c55df2878107a468a91d21506104d3f /qemu/fsdev/file-op-9p.h
parent9ca8dbcc65cfc63d6f5ef3312a33184e1d726e00 (diff)
Add qemu 2.4.0
Change-Id: Ic99cbad4b61f8b127b7dc74d04576c0bcbaaf4f5 Signed-off-by: Yang Zhang <yang.z.zhang@intel.com>
Diffstat (limited to 'qemu/fsdev/file-op-9p.h')
-rw-r--r--qemu/fsdev/file-op-9p.h150
1 files changed, 150 insertions, 0 deletions
diff --git a/qemu/fsdev/file-op-9p.h b/qemu/fsdev/file-op-9p.h
new file mode 100644
index 000000000..956fda091
--- /dev/null
+++ b/qemu/fsdev/file-op-9p.h
@@ -0,0 +1,150 @@
+/*
+ * Virtio 9p
+ *
+ * Copyright IBM, Corp. 2010
+ *
+ * Authors:
+ * Aneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com>
+ *
+ * This work is licensed under the terms of the GNU GPL, version 2. See
+ * the COPYING file in the top-level directory.
+ *
+ */
+#ifndef _FILEOP_H
+#define _FILEOP_H
+#include <sys/types.h>
+#include <dirent.h>
+#include <sys/time.h>
+#include <utime.h>
+#include <sys/stat.h>
+#include <sys/uio.h>
+#include <sys/vfs.h>
+
+#define SM_LOCAL_MODE_BITS 0600
+#define SM_LOCAL_DIR_MODE_BITS 0700
+
+typedef struct FsCred
+{
+ uid_t fc_uid;
+ gid_t fc_gid;
+ mode_t fc_mode;
+ dev_t fc_rdev;
+} FsCred;
+
+struct xattr_operations;
+struct FsContext;
+struct V9fsPath;
+
+typedef struct extended_ops {
+ int (*get_st_gen)(struct FsContext *, struct V9fsPath *,
+ mode_t, uint64_t *);
+} extended_ops;
+
+/* export flags */
+#define V9FS_IMMEDIATE_WRITEOUT 0x00000001
+#define V9FS_PATHNAME_FSCONTEXT 0x00000002
+/*
+ * uid/gid set on fileserver files
+ */
+#define V9FS_SM_PASSTHROUGH 0x00000004
+/*
+ * uid/gid part of xattr
+ */
+#define V9FS_SM_MAPPED 0x00000008
+/*
+ * Server will try to set uid/gid.
+ * On failure ignore the error.
+ */
+#define V9FS_SM_NONE 0x00000010
+/*
+ * uid/gid part of .virtfs_meatadata namespace
+ */
+#define V9FS_SM_MAPPED_FILE 0x00000020
+#define V9FS_RDONLY 0x00000040
+#define V9FS_PROXY_SOCK_FD 0x00000080
+#define V9FS_PROXY_SOCK_NAME 0x00000100
+
+#define V9FS_SEC_MASK 0x0000003C
+
+
+typedef struct FileOperations FileOperations;
+/*
+ * Structure to store the various fsdev's passed through command line.
+ */
+typedef struct FsDriverEntry {
+ char *fsdev_id;
+ char *path;
+ int export_flags;
+ FileOperations *ops;
+} FsDriverEntry;
+
+typedef struct FsContext
+{
+ uid_t uid;
+ char *fs_root;
+ int export_flags;
+ struct xattr_operations **xops;
+ struct extended_ops exops;
+ /* fs driver specific data */
+ void *private;
+} FsContext;
+
+typedef struct V9fsPath {
+ uint16_t size;
+ char *data;
+} V9fsPath;
+
+typedef union V9fsFidOpenState V9fsFidOpenState;
+
+void cred_init(FsCred *);
+
+struct FileOperations
+{
+ int (*parse_opts)(QemuOpts *, struct FsDriverEntry *);
+ int (*init)(struct FsContext *);
+ int (*lstat)(FsContext *, V9fsPath *, struct stat *);
+ ssize_t (*readlink)(FsContext *, V9fsPath *, char *, size_t);
+ int (*chmod)(FsContext *, V9fsPath *, FsCred *);
+ int (*chown)(FsContext *, V9fsPath *, FsCred *);
+ int (*mknod)(FsContext *, V9fsPath *, const char *, FsCred *);
+ int (*utimensat)(FsContext *, V9fsPath *, const struct timespec *);
+ int (*remove)(FsContext *, const char *);
+ int (*symlink)(FsContext *, const char *, V9fsPath *,
+ const char *, FsCred *);
+ int (*link)(FsContext *, V9fsPath *, V9fsPath *, const char *);
+ int (*setuid)(FsContext *, uid_t);
+ int (*close)(FsContext *, V9fsFidOpenState *);
+ int (*closedir)(FsContext *, V9fsFidOpenState *);
+ int (*opendir)(FsContext *, V9fsPath *, V9fsFidOpenState *);
+ int (*open)(FsContext *, V9fsPath *, int, V9fsFidOpenState *);
+ int (*open2)(FsContext *, V9fsPath *, const char *,
+ int, FsCred *, V9fsFidOpenState *);
+ void (*rewinddir)(FsContext *, V9fsFidOpenState *);
+ off_t (*telldir)(FsContext *, V9fsFidOpenState *);
+ int (*readdir_r)(FsContext *, V9fsFidOpenState *,
+ struct dirent *, struct dirent **);
+ void (*seekdir)(FsContext *, V9fsFidOpenState *, off_t);
+ ssize_t (*preadv)(FsContext *, V9fsFidOpenState *,
+ const struct iovec *, int, off_t);
+ ssize_t (*pwritev)(FsContext *, V9fsFidOpenState *,
+ const struct iovec *, int, off_t);
+ int (*mkdir)(FsContext *, V9fsPath *, const char *, FsCred *);
+ int (*fstat)(FsContext *, int, V9fsFidOpenState *, struct stat *);
+ int (*rename)(FsContext *, const char *, const char *);
+ int (*truncate)(FsContext *, V9fsPath *, off_t);
+ int (*fsync)(FsContext *, int, V9fsFidOpenState *, int);
+ int (*statfs)(FsContext *s, V9fsPath *path, struct statfs *stbuf);
+ ssize_t (*lgetxattr)(FsContext *, V9fsPath *,
+ const char *, void *, size_t);
+ ssize_t (*llistxattr)(FsContext *, V9fsPath *, void *, size_t);
+ int (*lsetxattr)(FsContext *, V9fsPath *,
+ const char *, void *, size_t, int);
+ int (*lremovexattr)(FsContext *, V9fsPath *, const char *);
+ int (*name_to_path)(FsContext *, V9fsPath *, const char *, V9fsPath *);
+ int (*renameat)(FsContext *ctx, V9fsPath *olddir, const char *old_name,
+ V9fsPath *newdir, const char *new_name);
+ int (*unlinkat)(FsContext *ctx, V9fsPath *dir, const char *name, int flags);
+ void *opaque;
+};
+
+#endif